#include<iostream>

using namespace std;

class test{};

class Date
{
public:
	void date(int year)
	{
		_year = year;
	}

	void print()
	{
		cout << this << endl;
		cout << _year << endl;
	}

private:
	int _year;
	int _month;
	int _day;
};

int main()
{
	test s1;
	cout << sizeof(s1) << endl;
	Date d1;
	d1.date(2024);
	d1.print();
	Date d2;
	d2.date(2025);
	d2.print();
	return 0;
	Date* p = nullptr;
	p->date(1);
}